SB20241230157 - NULL pointer dereference in Linux kernel fuse



SB20241230157 - NULL pointer dereference in Linux kernel fuse

Published: December 30, 2024 Updated: May 11, 2025

Security Bulletin ID SB20241230157
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) NULL pointer dereference (CVE-ID: CVE-2024-53219)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to NULL pointer dereference within the virtio_fs_get_tree() function in fs/fuse/virtio_fs.c, within the fuse_read_args_fill(), fuse_release_user_pages(), fuse_aio_complete_req(), fuse_get_frag_size(), fuse_get_user_pages() and fuse_direct_io() functions in fs/fuse/file.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.